Implement following/followers list retrieval

toot/api.py

@@ -260,6 +260,22 @@ def follow(app, user, account):
 def unfollow(app, user, account):
     return _account_action(app, user, account, 'unfollow')
 
+def _get_account_list(app, user, path):
+    accounts = []
+    while path:
+        response = http.get(app, user, path)
+        accounts += response.json()
+        path = _get_next_path(response.headers)
+    return accounts
+
+def following(app, user, account):
+    path = '/api/v1/accounts/{}/{}'.format(account, 'following')
+    return _get_account_list(app, user, path)
+
+def followers(app, user, account):
+    path = '/api/v1/accounts/{}/{}'.format(account, 'followers')
+    return _get_account_list(app, user, path)
+
 
 def mute(app, user, account):
     return _account_action(app, user, account, 'mute')

toot/commands.py

@@ -5,7 +5,7 @@
 from toot import api, config
 from toot.auth import login_interactive, login_browser_interactive, create_app_interactive
 from toot.exceptions import ConsoleError, NotFoundError
-from toot.output import (print_out, print_instance, print_account,
+from toot.output import (print_out, print_instance, print_account, print_acct_list,
                          print_search_results, print_timeline, print_notifications)
 from toot.utils import assert_domain_exists, editor_input, multiline_input, EOF_KEY
 
@@ -279,6 +279,16 @@ def unfollow(app, user, args):
     api.unfollow(app, user, account['id'])
     print_out("<green>✓ You are no longer following {}</green>".format(args.account))
 
+def following(app, user, args):
+    account = _find_account(app, user, args.account)
+    response = api.following(app, user, account['id'])
+    print_acct_list(response)
+
+def followers(app, user, args):
+    account = _find_account(app, user, args.account)
+    response = api.followers(app, user, account['id'])
+    print_acct_list(response)
+
 
 def mute(app, user, args):
     account = _find_account(app, user, args.account)

toot/console.py

@@ -441,6 +441,22 @@ def editor(value):
         ],
         require_auth=True,
     ),
+    Command(
+        name="following",
+        description="List accounts followed by the given account",
+        arguments=[
+            account_arg,
+        ],
+        require_auth=True,
+    ),
+    Command(
+        name="followers",
+        description="List accounts following the given account",
+        arguments=[
+            account_arg,
+        ],
+        require_auth=True,
+    ),
     Command(
         name="mute",
         description="Mute an account",

toot/output.py

@@ -126,18 +126,20 @@ def print_account(account):
 def highlight_hashtags(line):
     return re.sub(HASHTAG_PATTERN, '<cyan>\\1</cyan>', line)
 
+def print_acct_list(accounts):
+    for account in accounts:
+        print_out("* <green>@{}</green> {}".format(
+            account['acct'],
+            account['display_name']
+        ))
 
 def print_search_results(results):
     accounts = results['accounts']
     hashtags = results['hashtags']
 
     if accounts:
         print_out("\nAccounts:")
-        for account in accounts:
-            print_out("* <green>@{}</green> {}".format(
-                account['acct'],
-                account['display_name']
-            ))
+        print_acct_list(accounts)
 
     if hashtags:
         print_out("\nHashtags:")